19427317

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 24700928

約数和(自身を除く): 5273611

約数列:

[1, 7, 13, 41, 91, 127, 287, 533, 889, 1651, 1681, 3731, 5207, 11557, 11767, 21853, 36449, 67691, 152971, 213487, 473837, 1494409, 2775331, 19427317]

約数ペア:

[(1, 19427317), (7, 2775331), (13, 1494409), (41, 473837), (91, 213487), (127, 152971), (287, 67691), (533, 36449), (889, 21853), (1651, 11767), (1681, 11557), (3731, 5207)]